Commit 94a631d9 authored Mar 09, 2017 by Chunfeng Yun Committed by Greg Kroah-Hartman Mar 09, 2017

usb: xhci-mtk: check hcc_params after adding primary hcd



hcc_params is set in xhci_gen_setup() called from usb_add_hcd(),
so checks the Maximum Primary Stream Array Size in the hcc_params
register after adding primary hcd.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent feec467f

drivers/usb/host/xhci-mtk.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -678,13 +678,13 @@ static int xhci_mtk_probe(struct platform_device *pdev)
		goto power_off_phys;
		}

		if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
		xhci->shared_hcd->can_do_streams = 1;

		ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
		if (ret)
		goto put_usb3_hcd;

		if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
		xhci->shared_hcd->can_do_streams = 1;

		ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
		if (ret)
		goto dealloc_usb2_hcd;